Title:
DATA TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JPH09294231
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To detect transmitted data and to eliminate the need for provision of an additional element on an external surface of a portable information detector without the need for any special orientation of the portable information detector to a screen of a monitor of a data transmitter side in the system where data are transmitted between the data transmitter and the portable information detector. SOLUTION: This system is provided with a data transmitter 1 and a portable information detector 7 to receive transmission data from the data transmitter 1, and the data transmitter 1 has a sweep frame display means 2 and a composite video signal generator to control the operation of the sweep frame display means 2, and also a means to modulate at least any of basic signals of the composite video signals with data to be sent, and the portable information detector 7 is further provided with a inductive antenna to detect the modulated basic signal.
Inventors:
PIEERUUANDORE FUERIIN
EMIIRU TSUERUBEGEERU
AREKUSANDORU PORIINI
EMIIRU TSUERUBEGEERU
AREKUSANDORU PORIINI
Application Number:
JP26997A
Publication Date:
November 11, 1997
Filing Date:
January 06, 1997
Export Citation:
Assignee:
ASULAB SA
International Classes:
G04G5/00; G04G21/00; G04G99/00; G04R60/02; G06F3/153; G09G5/00; H04N5/067; H04N5/64; H04N7/08; H04W28/00; H04W56/00; H04N5/44; (IPC1-7): H04N5/44; G04G1/00; G04G5/00; G09G5/00; H04Q7/38; H04N5/00; H04N5/067; H04N5/64
Attorney, Agent or Firm:
石田 敬 （外３名）